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3D Printed Concrete Pedestrian Bridge Built in Madrid, City Representatives Call It a 3D Printing Milestone - 3DPrint.com | The Voice of 3D Printing / Additive Manufacturing
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3ders.org - Spain unveils world's first 3D printed pedestrian bridge made of concrete | 3D Printer News & 3D Printing News
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3D Printed Concrete Pedestrian Bridge Built in Madrid, City Representatives Call It a 3D Printing Milestone - 3DPrint.com | The Voice of 3D Printing / Additive Manufacturing
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